Thorax 
Figure 4-17: Cervical and thoracic organs of one-year-old male Euro- 
pean hamster. Sternum, clavicle, and parts of ribs and cervical muscles 
removed. Gl. mandibulares folded back and heart displaced craniolater- 
ally to right. a = bursa buccalis; b = diaphragma; c = auricula sinister; 
d = ventriculus sinister; e = auricula dexter; i-l = pulmo dexter; i = lobus 
craniaiis; j = lobus medius; k = lobus caudalis; l = lobus accessorius; m = 
pulmo sinister; n=trachea; o = mm. sternohyoid et sternothyroid; p = 
gl. mandibularis; r=esophagus; s=thyroid; l = arcus aortae; 2— a. caro- 
tis communis sinistra; 3 = a. carotis communis dextra; 4 = n. vagus sin- 
ister; 5 = n. vagus dexter; 6 = a. subclavia dextra; 7 = v. pulmonalis; 8 = a. 
pulmonalis; 9 = a. subclavia sinistra; 10=v. cava caudalis; ll=truncus 
brachiocephalicus. 
109 
